Elgas DATCOM, Руководство по эксплуатации

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Appendix
2: ELCORplus version for Zone 2
204
appropriate electrical qualification.
 During all activities with electrical equipment, switch off the power supply
and check that the device is not live.
 Keep the inside of the device free of moisture to prevent possible short
circuits.
Requirements for the electrical connection of mains-operated equipment
(i.e. with the S4-PWR3 module mounted):
 If the device is installed as a plug-in device, the power outlet must be located near the
device and must be easily accessible.
 Hazardous voltage supply lines with operator-accessible insulation must meet the
requirements for double insulation or reinforced insulation (this also applies to the
connections to the input terminals inside the device, as they are accessible to the
operator).

When the device is installed as a permanently connected device, an easily accessible
disconnecting device must work with it. Such a device that disconnects both poles of the
power supply. To ensure overcurrent and short-circuit protection, a circuit breaker with a
rated current of 4 to 16A must be connected in both poles of the power supply. A two-pole
circuit breaker can be used as the disconnecting means.
NOTICE
To ensure proper operation of the device, the applied supply voltage to the
device must be treated for interference and overvoltage.
A surge arrester type 3 with HF filter must be used in the power supply near
the device.
NOTICE
The wires of external power supply cables must by connecting without under
voltage to EVC device!
There is also a risk of electric shock if the power supply is connected!
The power supply cable of the external power supply is connected to the device via cable gland
No. 9 (see. Fig. 83). Remove a cover of connector from a module S4N-PWR3/S4N-PWR4
5
for
power supply connecting. The connector-plug
2
is pulled out and the power supply wires
4
are
fastened to the terminals of connector
2
. Make sure the polarity of the S4N-PWR4 is correct.
Check the cable clamp for tightness for moving. Insert the plug with the power cord plugged into
the connector socket
3
on the module fitted in the instrument. Finally, replace the connector
cover
5
.
Fix the cable against being pulled out by tightening the nut cable glands.